/*
 * Copyright 2024 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.tracing.driver

public expect class AtomicLong(initial: Long) {
    public fun incrementAndGet(): Long

    public fun compareAndSet(expected: Long, actual: Long): Boolean

    public fun get(): Long
}

@Suppress("NOTHING_TO_INLINE")
internal inline fun AtomicLong.decrement(): Boolean {
    val current = get()
    return compareAndSet(current, current - 1)
}
